ActionMenuItemView.java revision 1f9c7afc5a06576e327a4b1c12688202f53d9462 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.internal.view.menu;
18
19import android.content.Context;
20import android.graphics.drawable.Drawable;
21import android.util.AttributeSet;
22import android.view.View;
23import android.widget.Button;
24import android.widget.FrameLayout;
25import android.widget.ImageButton;
26
27/**
28 * @hide
29 */
30public class ActionMenuItemView extends FrameLayout
31        implements MenuView.ItemView, View.OnClickListener {
32    private static final String TAG = "ActionMenuItemView";
33
34    private MenuItemImpl mItemData;
35    private CharSequence mTitle;
36    private MenuBuilder.ItemInvoker mItemInvoker;
37
38    private ImageButton mImageButton;
39    private Button mTextButton;
40
41    public ActionMenuItemView(Context context) {
42        this(context, null);
43    }
44
45    public ActionMenuItemView(Context context, AttributeSet attrs) {
46        this(context, attrs, com.android.internal.R.attr.actionButtonStyle);
47    }
48
49    public ActionMenuItemView(Context context, AttributeSet attrs, int defStyle) {
50        super(context, attrs, defStyle);
51    }
52
53    @Override
54    public void onFinishInflate() {
55        mImageButton = (ImageButton) findViewById(com.android.internal.R.id.imageButton);
56        mTextButton = (Button) findViewById(com.android.internal.R.id.textButton);
57        mImageButton.setOnClickListener(this);
58        mTextButton.setOnClickListener(this);
59    }
60
61    public MenuItemImpl getItemData() {
62        return mItemData;
63    }
64
65    public void initialize(MenuItemImpl itemData, int menuType) {
66        mItemData = itemData;
67
68        setClickable(true);
69        setFocusable(true);
70        setIcon(itemData.getIcon());
71        setTitle(itemData.getTitle()); // Title only takes effect if there is no icon
72        setId(itemData.getItemId());
73
74        setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE);
75        setEnabled(itemData.isEnabled());
76    }
77
78    public void onClick(View v) {
79        if (mItemInvoker != null) {
80            mItemInvoker.invokeItem(mItemData);
81        }
82    }
83
84    public void setItemInvoker(MenuBuilder.ItemInvoker invoker) {
85        mItemInvoker = invoker;
86    }
87
88    public boolean prefersCondensedTitle() {
89        return false;
90    }
91
92    public void setCheckable(boolean checkable) {
93        // TODO Support checkable action items
94    }
95
96    public void setChecked(boolean checked) {
97        // TODO Support checkable action items
98    }
99
100    public void setIcon(Drawable icon) {
101        mImageButton.setImageDrawable(icon);
102        if (icon != null) {
103            mImageButton.setVisibility(VISIBLE);
104            mTextButton.setVisibility(GONE);
105        } else {
106            mImageButton.setVisibility(GONE);
107        }
108    }
109
110    public void setShortcut(boolean showShortcut, char shortcutKey) {
111        // Action buttons don't show text for shortcut keys.
112    }
113
114    public void setTitle(CharSequence title) {
115        mTitle = title;
116
117        // populate accessibility description with title
118        setContentDescription(title);
119
120        if (mImageButton.getDrawable() == null) {
121            mTextButton.setText(mTitle);
122            mTextButton.setVisibility(VISIBLE);
123        }
124    }
125
126    public boolean showsIcon() {
127        return true;
128    }
129}
130